Ngo Kea Leng, Juliana Mohd Nor, Norhamimah Rani, & Salihah Abdullah. (2024). A PRELIMINARY STUDY ON ENGLISH GRAMMAR PROFICIENCY KNOWLEDGE OF DIPLOMA STUDENTS. INTERNATIONAL JOURNAL OF HUMANITIES, PHILOSOPHY AND LANGUAGES (IJHPL), 4(15). Retrieved from https://gaexcellence.com/ijhpl/article/view/544